Tire



Z. KUTCHUK.

TIRE. V APPLICATION FILED APR. 3| I9I9.

INVENTOR. :y j zit/z 1.17( maf/Ui,

Patented Aug. 31,

2 SHEETS-SH EET 2.

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narran srares ZACHARY KUTGHUK, on PITTSBURGH, PENNSYLVANIA.

TIRE.

Speccatien of Letters Patent. Patented Aug. 31, 1920.

Application filed April 3, 1919. Serial No.- 287,274.

To all whom t may concern.'

Beit known that l, ZAGHARY KUTCHUK`,-a citizen of the United States, residingfr at Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful improvements in Tires, of which the following is a specification.,

This invention-relates to a tire and hasfor its primary object to provide a resilient tire, the elements of which are so arranged and associated that the use of air is dispensed with. n l

An object of the invention is to provide a tire of a very substantial construction without the necessity of sacrificing the resiliency thereof. Y

Another object of the invention is the novelmanner of constructing and arranging the springs so that the same will give the maximum amount of resiliency to the tread and in such a manner that the springs will be effectively inclosed so as not to be distorted in the use of the tire. i

Besides the above my invention is distinguished in the novel manner of associating the springs with the tread member and the annulus so that the springs cannot be displaced While at the same time giving to the tread member the greatest amount of resiliency. v

A feature of my invention is the manner of constructing each bracket so that solid members will come into contact before a spring reaches a collapsing condition.

W'ith these and other objects in view the invention will be better understood from the following detailed description taken in connection with the accompanying drawing wherein:

Figure 1 is a sectional view through the tire rim between the spring members.

Fig. 2 is aside elevation of the tire with v parts in section and the casing removed.

Fig. 3 is a perspective view of the clamp. Fig. A is a perspective view of a rivet member. l

Fig. 5 is a side elevation of the spring. Fig. 6 is an end elevation of the spring. Fig. 7 is a perspective view of one of the tread members.

Fig. 8 is a sectional line :vr-, Fig. 9.

Fig. 9 is a side elevation of the bracket.l

Fig. 10 is a perspective view of a modification of my invention.

. opposite sidesvof Y Y ends of'these springs are looped and ar` view of the bracket on' Fig. 11 is a sectional view through a modiied form of tread member. v- Y f Again referring to the drawing which illustrates one ofthe many forms in which my invention may be constructed, the numeral 1 designates a tread composed in this particular instance of a plurality of members 2, as clearly shown in Fig. Y, each -consisting of sheetgmetal stamped and bent back`V upon itselfto form a tread portion- 3 and a body portion 4L, the latter having'proiecting therefromears yo.

It will be noted that the ears 5 are staggered so that the ears of one member may be hinged-to the ears of the adjacent member by means of a pin' 6 passing through the outwardly extending ears `of an adjacent bracket 7. Bythis arrangement it will be seen that a very flexible tread is provided which will have great durability owing to the fact that the entire'tread portions 3 and most of the body portion must become worn out before the tread is rendered useless-` AEach bracket Vis provided with an opening 8 at each end, and each opening is surrounded by a boss 9 at each side of the bracket for a purpose hereinafter described.

Each bracket is also provided with an eX- tension 10 arranged and spaced from an annulus 11,'a 'distance great enough that they will come into engagement upon solid means, nearing a collapsingpoint. The annulus 11, is constructed to encircle the felly 12 of the wheel. fr

Arranged between each 4bracket and the annulus are two duplex coil springs-13, the coiled portions 14 of which are arranged at the center of the tire. rlhe ranged around the bosses 9y as indicated at 15.

Thus it will be seen that the springs are connected directly to the Vbracket and Vfor the purpose of preventing dislocation of the springs from the bosses, I provide rivet members 16 as shown in Fig. 4: for'clamping the ends of the springs to the bosses. The coiled portions are also Varranged in slots 17` formed in the annulus so that thecoiled portions will be held against displacement. 'Each coil spring is further clamped to the annulus by meansof a clamp 18 that engages the intermediateV portions of two, adjacent springs and is fastened to the'annulus in any suitable manner, such as by ar screw 19.

To complete the invention I provide a casing 20, consisting of two side members 21 and 22 bolted to the felly l2 as indicated at 23. These side members are provided with a radially extended portion 24 slidably receiving the brackets so that the latter will; be limited to movement substantially radially ofthe wheel. In some cases it may be advisable to provide a rubber tread and if this is the case, the tread portion of each member may be provided with outstruck tongues 25, radapted to grip the rubber tread 26.

In Fig. ll, I have shown the tread member of three thicknesses of material by providingV an eXtra strip 27 riveted to the body by means of rivets 28.

F rom the foregoing` description taken in connection with the accompanying drawings it should be apparent that I provide a tire of substantial construction having the required resiliency in which all parts cooperate to withstand excessive strains and properly housing the resilient elements against distortion. It is of course to be understood that the parts may be conf structed in various other manners than shown and the parts associated differently so therefore I do not desire to be limited in any manner except as set forth in the claims hereunto appended.

I-Iaving described my invention, what I claim is:

l. In combination, a flexible tread, brackets extending transversely of the tread and hinged thereto,ran annulus, resilient members connecting said brackets and the annulus, and means carriedby the brackets and cooperating with the annulus for positively limiting movement of the brackets toward said annulus.

2. In combination, a flexible tread, brack-v,

ets connected thereto and each having an inwardly projecting extension, an annulus,

and resilient members connecting said brackfV ets and the annulus.

3. In combination, a fieXible tread, brackets extending transversely of the tread and connected thereto, an annulus, and coil springs of duplex type positioned adjacent' the opposite sides of the respective brackets, said springs being secured at their intermediate portions to the annulus and at their ends to the brackets. v Y

In testimony whereof I aliix my signature in the presence 'of two witnesses.

ZACHARY KUTCI-IUK. Witnesses MARY DONATE, PAUL PUROHARD. 

